Description
The 5W UsDX SDR QRP Transceiver is a compact, high-performance, all-mode HF transceiver designed for amateur radio operators, experimenters, and SDR enthusiasts. Combining software-defined radio (SDR) technology with advanced digital signal processing (DSP), this transceiver offers exceptional performance in a lightweight and cost-effective package.
Key Features
✔ High-Efficiency IRF Series Transmitter Tubes
Built for durability and reliability, the transceiver’s IRF series transmitter tubes ensure stable power output and extended performance, making it ideal for long-term communication needs.
✔ Versatile 3-Band HF Coverage
Supporting three HF frequency bands, this QRP transceiver provides wide-band flexibility for clear and reliable communications across multiple frequencies.
✔ Digital Power & SWR Monitoring
A digital display for power output and standing wave ratio (SWR) allows precise adjustments, enhancing efficiency and ease of use.
✔ Integrated DSP & SDR Capabilities
Embedded DSP technology provides essential functions such as:
• Automatic Gain Control (AGC)
• Noise Reduction (NR)
• Voice Operated Transmit (VOX)
• Selectable DSP Filters (50Hz – 4000Hz)
These features improve signal clarity and reception, ensuring a superior user experience.
✔ Full-Mode Support
Operating in USB, LSB, CW, AM, and FM, the UsDX transceiver is highly adaptable to various communication modes and digital applications, including FT8 and CW decoding.
✔ Software-Defined Flexibility & Open-Source Firmware
With open-source firmware and compatibility with the Arduino IDE, this transceiver allows firmware modifications and customization, enabling enthusiasts to develop and integrate new features.
✔ Lightweight & Power Efficient
Designed with EER Class E drive technology, the transceiver delivers up to 5W PEP SSB output from a 12V power supply, offering high efficiency without the need for bulky heat sinks.
✔ High-Performance SDR Receiver
The fully software-based SDR receiver features:
• Quadrature sampling detector
• Hilbert transform-based phase shifting
• Superior blocking dynamic range (123dB @ 20kHz offset)
• Steep front-end selectivity (-45dB/decade roll-off at ±2kHz)
These specifications ensure crystal-clear reception and outstanding selectivity even in challenging RF environments.
✔ Compact & User-Friendly Design
Encased in a durable ABS shell, the transceiver is lightweight (100x80x40mm) and portable, making it an excellent companion for field operations and QRP enthusiasts. The BNC antenna connector ensures easy antenna setup and compatibility.
✔ Seamless Digital & CAT Control
Equipped with CAT support (TS-480 subset), the UsDX transceiver allows streaming of audio, keystrokes, and display text via a CAT interface, providing effortless integration with digital modes and remote operation setups.
The Perfect SDR QRP Transceiver for Experimenters & Enthusiasts
Whether you’re a radio hobbyist, field operator, or an experimenter, the 5W UsDX SDR QRP Transceiver delivers an unmatched balance of performance, flexibility, and affordability. With a powerful DSP core, full-mode HF support, and open-source software, this transceiver is the ultimate tool for innovation in amateur radio.
Open-Source Firmware & Community Support
For updates, modifications, and open-source contributions, there is a big online community.
Experience the future of QRP communication with the 5W UsDX SDR Transceiver – Built for performance, powered by innovation.
